406383 has 4 divisors (see below), whose sum is σ = 541848. Its totient is φ = 270920.

The previous prime is 406381. The next prime is 406397. The reversal of 406383 is 383604.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 406383 - 2¹ = 406381 is a prime.

It is a D-number.

406383 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67728 + ... + 67733.

It is an arithmetic number, because the mean of its divisors is an integer number (135462).

2⁴⁰⁶³⁸³ is an apocalyptic number.

406383 is a deficient number, since it is larger than the sum of its proper divisors (135465).

406383 is a wasteful number, since it uses less digits than its factorization.

406383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135464.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 406383 is about 637.4817644451. The cubic root of 406383 is about 74.0704831253.

Adding to 406383 its reverse (383604), we get a palindrome (789987).

The spelling of 406383 in words is "four hundred six thousand, three hundred eighty-three".